Seroprevalence of anti SARS-CoV2 antibodies in Umbrian persons living with HIV: SARS-CoV-2 and HIV - papalini, chiara; Paciosi, Francesco; Schiaroli, Elisabetta; Pierucci, Sara; Busti, chiara; Bozza, Silvia; Mencacci, Antonella; Francisci, Daniela (Mediterranean Journal of Hematology and Infectious Diseases, 2020)